Ratchet wrench



FIG. 1 is a right side view of a ratchet wrench showing my design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a front view thereof. 

The ornamental design for a ratchet wrench, as shown and described. 